Blanc, the tallest mountain in Western Europe, as a result of massive wildfires raging across Canada. The smoke has traveled thousands of miles, crossing the Atlantic to reach the French-Italian Alps.

Rain overnight in Calgary did little to clear the wildfire smoke affecting the city, leading to an air quality warning early Thursday morning.

The fires’ consequences are not just being felt locally, but internationally. Smoke from the wildfires has drifted across the Atlantic Ocean, turning skies above the United Kingdom orange. The fires’ smoke may also be uniquely toxic due to the country’s heavily mined forests.

In June 2023, a surreal glowing orange haze descended on New York City and across other East Coast locations as winds concentrated and redirected smoke from Canada wildfires. The smoke eventually ...

Wildfires scorching several Canadian provinces have driven at least 33,400 people from their homes, with smoke now reaching all the way to Europe.

AccuWeather long range meteorologist Paul Pastelok said long-lasting stretches of deep blue sky may not return to the Northeast for weeks, or possibly even months.

Even those nowhere near the wildfires are suffering as smoke swirls around Canada and wafts south, creating hazardous air quality all over the midwestern and eastern parts of the United States.

As Alberta faces the prospect of another wildfire smoke-filled summer, experts are urging people to monitor conditions and take steps to protect their health.